diff --git a/lib/jobs_processing.py b/lib/jobs_processing.py
index 2c214df..50e69ad 100644
--- a/lib/jobs_processing.py
+++ b/lib/jobs_processing.py
@@ -109,7 +109,7 @@
     # Wait for process to complete.
     for task in process_list:
         task.join()
-    return return_dict
+    return return_dict.copy()
 
 
 def get_current_date_time():